I think but am not 100% sure, that you're looking for a 3/8" NPT plug.
Tim
On 4/13/2024 5:54 AM, Rodger Todd wrote:
> Hi,
>
> I've used an additional VA-141 on each of my tanks for use as a return
> port; does anyone know what the correct size for an pipe plug fitting
> should be for this flange?
> It seems I might not need the return fuel lines after all as it looks
> like Lycoming fitted FM-150 induction to my engine instead of the
> FM-300 I was expecting.
>
> With many thanks in anticipation
>
> Rodger
> 40437.
>
